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The record group in the EMP form is populated using a SELECT statement that is constructed programmatically at runtime. Five employee records are displayed at one time, and a user chooses item two from the record group. Which built-in would you use to determine which rows were flagged in the record group?（）
A:GET_GROUP_ROW_COUNT 
B:GET_GROUP_SELECTION_COUNT 
C:GET_GROUP_SELECTION 
D:FIND_GROUP 
E:FIND_COLUMN 
F:ADD_GROUP_ROW 

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出自：Oracle认证

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